fixes issue 1482

git-svn-id: http://svn.dmdirc.com/trunk@4415 00569f92-eb28-0410-84fd-f71c24880f

src/com/dmdirc/ui/swing/dialogs/FeedbackDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/NewServerDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/URLDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/about/AboutDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionseditor/ActionsEditorDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionseditor/ConditionEditorDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionsmanager/ActionsManagerDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/aliases/AliasManagerDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/channelsetting/ChannelSettingsDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/error/ErrorListDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/prefs/SwingPreferencesDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             manager.close();
             super.dispose();

src/com/dmdirc/ui/swing/dialogs/profiles/ProfileManagerDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/serversetting/ServerSettingsDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/updater/SwingUpdaterDialog.java

     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;